Shoe upper



FIG. 1 is a front perspective view of a shoe upper showing the new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a side view thereof; and,

FIG. 4 is another rear perspective view thereof.

The even broken lines within the shaded area form no part of the claimed design. The contrasts in stippling and shade lines represent contrasts in appearance. The dot-dash broken lines immediately adjacent to the shaded area represent unclaimed boundaries of the design. The broken lines and unshaded areas showing the remainder of the shoe merely illustrate environment and form no part of the claimed design. 

CLAIM The ornamental design for a shoe upper, as shown and described. 